Introduction to Ratios

Front

What is a ratio?

Back

A ratio is a way to compare two or more quantities, showing the relative size of one quantity to another.

Front

How can a ratio be expressed?

Back

Front

Back

3=4 is NOT a valid way to write a ratio.

Front

What is the ratio of coaches to players if there are 3 coaches and 10 players?

Back

The ratio of coaches to players is 3:10.

Front

True or False: Ratios can only compare two values.

Back

False. Ratios can compare two or more values.

Front

What is the ratio of triangles to squares if there are 4 triangles and 3 squares?

Back

The ratio of triangles to squares is 4:3.

Front

What type of ratio is represented by '5 out of 23 kids in a class play the trumpet'?

Back

This is a part-to-whole ratio.

Front

If a recipe calls for 2 cups of flour and 3 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2:3.

Front

What does a part-to-part ratio compare?

Back

A part-to-part ratio compares different parts of a whole to each other.

Front

What does a part-to-whole ratio compare?

Back

A part-to-whole ratio compares a part of a whole to the entire whole.